205743760

素因数分解:

$2^4\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{2447}}^1$

素因数の和:3511

約数の個数: 40

約数和(自身を含む): 479005056

約数和(自身を除く): 273261296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1051, 2102, 2447, 4204, 4894, 5255, 8408, 9788, 10510, 12235, 16816, 19576, 21020, 24470, 39152, 42040, 48940, 84080, 97880, 195760, 2571797, 5143594, 10287188, 12858985, 20574376, 25717970, 41148752, 51435940, 102871880, 205743760]

約数ペア:

[(1, 205743760), (2, 102871880), (4, 51435940), (5, 41148752), (8, 25717970), (10, 20574376), (16, 12858985), (20, 10287188), (40, 5143594), (80, 2571797), (1051, 195760), (2102, 97880), (2447, 84080), (4204, 48940), (4894, 42040), (5255, 39152), (8408, 24470), (9788, 21020), (10510, 19576), (12235, 16816)]